Anthropic was founded by OpenAI exiles. It’s adding one more. On Tuesday, former OpenAI co-founder Andrej Karpathy announced on X that he will be joining Anthropic, seemingly to work on the lab’s research and development team. “Personal update: I’ve joined Anthropic. I think the next few years at the frontier of LLMs will be especially formative,” he wrote. “I am very excited to join the team here and get back to R&D. I remain deeply passionate about educa